package com.example.other;

import com.example.entity.Option;

import java.util.Objects;
import java.util.Optional;

/**
 * @author 沈传尚
 * @date 2022/3/11
 */
public class NullDemo {
    public static void main(String[] args) {
//        Student s=new Student();
//        s.setName("joke");
//
//        Student s1=new Student();
//        s1.setName("joke");

        boolean result = Objects.equals(null, null);
        System.out.println(true);




    }
}
